Effects of Submerged Heater on the Vertical Bridgman Crystal Growth

Abstract:

This study used numerical simulation to investigate the growth conditions of yttrium aluminum garnet (YAG) single crystals by the vertical Bridgman method, and discusses the process performed with or without the installation of a submerged heater (SH). The maximum flow velocity of the melted material surrounding the melt/crystal interface can be decreased, and the deflection of the melt/crystal interface can be changed under various furnace temperature gradients and distances. The minimum of the maximized flow rate indicates that the natural convection can be decreased and controlled. In this manner, the growth rate of crystals increases in an identical environment.

• Periodical: Advanced Materials Research (Volumes 189-193)
• Pages: 4022-4027
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.189-193.4022
• Online since: February 2011
• Authors: Ming Fang Lu, Shu Hao Chuang, Hsing Juin Lee
• Keywords: Submerged Heater, Vertical Bridgman, Yttrium Aluminum Garnet

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